body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      margin: 0;
      padding: 0;
      background-color: #f4f6f8;
      color: #333;
      line-height: 1.6;
    }

    #root {
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    a {
      text-decoration: none;
      color: #007bff;
    }

    a:hover {
      text-decoration: underline;
    }

    .container {
      width: 90%;
      max-width: 1200px;
      margin: 20px auto;
      padding: 20px;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    h1, h2, h3 {
      color: #2c3e50;
    }

    button {
      padding: 10px 15px;
      border: none;
      border-radius: 4px;
      background-color: #007bff;
      color: white;
      cursor: pointer;
      font-size: 1rem;
      transition: background-color 0.2s ease-in-out;
    }

    button:hover {
      background-color: #0056b3;
    }

    button.secondary {
      background-color: #6c757d;
    }
    button.secondary:hover {
      background-color: #545b62;
    }
    button.danger {
      background-color: #dc3545;
    }
    button.danger:hover {
      background-color: #b02a37;
    }

    input[type="text"],
    input[type="search"],
    textarea {
      width: 100%;
      padding: 10px;
      margin-bottom: 15px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
      font-size: 1rem;
    }
    
    .page-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 10px;
      border-bottom: 1px solid #eee;
    }
    .page-header h1 {
      margin: 0;
    }
